Rapid City to Rock Island: Road Trip Guide & Distance

664.9 miles 1070 km · straight line
797.8 miles estimated 1284 km · driving distance
16h 3min estimated drive time
$77 - $95 estimated fuel cost
~1h 50min flight time
101° E bearing direction

How far is Rapid City from Rock Island?

The distance from Rapid City to Rock Island is 664.9 miles (1070 km) as the crow flies. Rock Island is located E of Rapid City. By car, the driving distance is approximately 797.8 miles, taking about 16h 3min. A direct flight would take roughly 1h 50min. Both are located in United States — Rapid City in South Dakota and Rock Island in Illinois.

This is a serious multi-day road trip! We strongly recommend breaking this journey up with an overnight stay to ensure you arrive safely and refreshed. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility.

Coordinates come from public place data for Rapid City and Rock Island. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.

How to Get from Rapid City to Rock Island

Method Time Est. Cost Best For
Drive 16h 3min $77 - $95 Flexible stops
Fly ~1h 50min $80–200* Speed
Bus ~19h 16min $64–$120* Budget
Train ~20h 52min $96–$279* Comfort

Suggested Stops Between Rapid City & Rock Island

Quick Facts

Rapid City
44.08°N, 103.23°W
America/Chicago
966m elevation
Rock Island
41.51°N, 90.58°W
America/Chicago
171m elevation
Explore more routes from Rock Island

Did You Know?

  • At walking speed (3 mph), it would take about 222 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 55 hours
  • You could travel this distance about 37.5 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · Driving distance estimated using road factor coefficients